From ffbd7c3d0fd1b9b10ef5a0f2b2e64bd234620167 Mon Sep 17 00:00:00 2001 From: Richard Biener Date: Wed, 4 Oct 2023 11:19:10 +0200 Subject: [PATCH] ipa/111643 - clarify flatten attribute documentation The following clarifies the flatten attribute documentation to mention the inlining applies also to calls formed as part of inlining earlier calls but not calls to the function itself. PR ipa/111643 * doc/extend.texi (attribute flatten): Clarify. --- gcc/doc/extend.texi | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index b4770f1a149a..645c76f23e9d 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -3109,7 +3109,9 @@ file descriptor opened with @code{O_RDONLY}. @cindex @code{flatten} function attribute @item flatten Generally, inlining into a function is limited. For a function marked with -this attribute, every call inside this function is inlined, if possible. +this attribute, every call inside this function is inlined including the +calls such inlining introduces to the function (but not recursive calls +to the function itself), if possible. Functions declared with attribute @code{noinline} and similar are not inlined. Whether the function itself is considered for inlining depends on its size and the current inlining parameters. -- 2.47.2